-3y-1=9-y

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Solution for -3y-1=9-y equation: 



-3y-1=9-y

We move all terms to the left:

-3y-1-(9-y)=0

We add all the numbers together, and all the variables

-3y-(-1y+9)-1=0

We get rid of parentheses

-3y+1y-9-1=0

We add all the numbers together, and all the variables

-2y-10=0

We move all terms containing y to the left, all other terms to the right

-2y=10

y=10/-2

y=-5

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